17645772

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 42336000

約数和(自身を除く): 24690228

約数列:

[1, 2, 3, 4, 6, 12, 71, 139, 142, 149, 213, 278, 284, 298, 417, 426, 447, 556, 596, 834, 852, 894, 1668, 1788, 9869, 10579, 19738, 20711, 21158, 29607, 31737, 39476, 41422, 42316, 59214, 62133, 63474, 82844, 118428, 124266, 126948, 248532, 1470481, 2940962, 4411443, 5881924, 8822886, 17645772]

約数ペア:

[(1, 17645772), (2, 8822886), (3, 5881924), (4, 4411443), (6, 2940962), (12, 1470481), (71, 248532), (139, 126948), (142, 124266), (149, 118428), (213, 82844), (278, 63474), (284, 62133), (298, 59214), (417, 42316), (426, 41422), (447, 39476), (556, 31737), (596, 29607), (834, 21158), (852, 20711), (894, 19738), (1668, 10579), (1788, 9869)]